Zurn Z100 15 in. Roof Drain Specs & Options

Dimensional data is subject to manufacturing tolerances and change without notice.




Pipe Size
Weight (lbs.)
Dome Open
Area (sq. in.)
2, 3, 4 26 103
5, 6 27 103
8 28 103

ENGINEERING SPECS: The Zurn Z100 15-in. diameter low-profile roof drain comes with a dura-coated cast iron (DCCI) body with combination membrane flashing clamp / gravel guard, and low-silhouette poly dome.



Outlet Types

Outlet Type Available Pipe
Sizes (in.)
E. Body Height
Dimension (in.)
Inside Caulk (IC) 2, 3, 4, 5, 6, 8 5 1/4
Threaded (IP) 2, 3, 4, 5, 6, 8 3 3/4
No-Hub (NH) 2, 3, 4, 5, 6, 8 5 1/4
Neo-Loc (NL) 2, 3, 4 4 9/16
Neo-Loc (NL) 6 5 7/16



Dome Options

Poly-Dome* with DCCI Body (Z)
Aluminum Dome with DCCI Body (ZA)
Cast Iron Dome with DCCI Body (ZC)
Plain Bronze Dome with DCCI Body (ZRB)

*Regularly furnished unless otherwise specified




Angular Underdeck Clamp (AC) 6-3/4 in. High Aluminum Dome Strainer (148 sq. in. open area) (Aluminum Dome Only) (HD)
Acid Resistant Epoxy Coated (AR) Roof Sump Receiver (R)
3/4- to 4-in. Adjustable Water Level Regulator (specify ht) (Cast Iron Dome only) Secondary Clamp Collar (SC)
Bronze Mesh Screen Over Dome (BS) Stainless Steel Mesh Screen Over Dome (SS)
Underdeck Clamp (C) Neo-Loc Test Cap Gasket (2- to 4-in.) (Neo-Loc Outlet Only) (TC)
Deck Extension (DE) Dome with Solid Top (Aluminum, Cast Iron and Plain Bronze Dome Only) (ST)
Top-Set® Deck Plate (Replaces both the Underdeck Clamp and Roof Sump Receiver) (DP) Vandal-Proof Secured Top (VP)
Top-Set® Deck Riser (DR) 2-in. Internal Water Dam (W2)
Dex-O-Tex Flange (DX) 3-in. Internal Water Dam (W3)
Static Extension 1- to 4-in. (specify ht) (E) 4-in. Internal Water Dam (W4)
Adjustable Extension Assembly 2-1/8 thru 3-1/2 in. (EA) Stainless Steel Perforated Gravel Guard (84)
Top-Set® Adjustable Extension Assembly (EB) Stainless Steel Perforated Extension (85)
Flush Grate (Replaces Dome Strainer) (FG) 2-in. High External Water Dam (89)
Galvanized Cast Iron (G) 90° Threaded Side Outlet Body (2- to 6-in. outlets) (90)
Galvanized Cast Iron Dome (Cast Iron Dome Only) (GD)